The framework of government described in the constitution of the united states (1787) most clearly shows the dissatisfaction of the founders with the?

The framework of government described in the Constitution of the United States (1787) most clearly shows the dissatisfaction of the founders with the "Articles of Confederation", since this was the binding document of the central government prior to the Constitution but was far to "weak" to be effective. 

They were eliminating problems caused by industrialization, urbanization, immigration, and corruption in government